/*
 * contrib/seg/segdata.h
 */
typedef struct SEG
{
    float4        lower;
    float4        upper;
    char        l_sigd;
    char        u_sigd;
    char        l_ext;
    char        u_ext;
} SEG;

/* in seg.c */
extern int    significant_digits(char *str);

/* in segscan.l */
extern int    seg_yylex(void);
extern void seg_yyerror(SEG *result, const char *message) pg_attribute_noreturn();
extern void seg_scanner_init(const char *str);
extern void seg_scanner_finish(void);

/* in segparse.y */
extern int    seg_yyparse(SEG *result);
